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[skip-ci][Maps] Point to point source docs (#45441) (#45589)

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* [skip-ci][Maps] Point to point source docs

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Nathan Reese 2019-09-12 16:54:58 -06:00 • committed by GitHub
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docs/maps/maps-aggregations.asciidoc
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@ -40,6 +40,18 @@ This field will be used in the terms aggregation to group your documents into en
This field will be used to sort your documents in the top hits aggregation.
. Set *Documents per entity* to configure the maximum number of documents accumulated per entity.
[role="xpack"]
[[point-to-point]]
=== Point to point
A point-to-point connection plots aggregated data paths between the source and the destination.
Thicker, darker lines symbolize more connections between a source and destination, and thinner, lighter lines symbolize less connections.
Point to point uses an {es} {ref}/search-aggregations-bucket-terms-aggregation.html[terms aggregation] to group your documents by destination.
Then, a nested {ref}/search-aggregations-bucket-geotilegrid-aggregation.html[GeoTile grid aggregation] groups sources for each destination into grids.
A line connects each source grid centroid to each destination.
image::maps/images/point_to_point.png[]
[role="xpack"]
[[terms-join]]
@ -49,9 +61,9 @@ Use term joins to augment vector features with properties for <<maps-vector-styl
Term joins are available for <<vector-layer, vector layers>> with the following sources:
* Custom vector shapes
* Configured GeoJSON
* Documents
* Vector shapes
* EMS Boundaries
==== Example term join

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docs/maps/search.asciidoc
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@ -34,7 +34,7 @@ You can create two types of filters by interacting with your map:
[[maps-spatial-filters]]
==== Spatial filters
A spatial filter narrow searchs results to documents that either intersect with, are within, or do not intersect with the specified geometry.
A spatial filter narrows search results to documents that either intersect with, are within, or do not intersect with the specified geometry.
You can create spatial filters in two ways:

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docs/maps/vector-layer.asciidoc
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@ -24,5 +24,8 @@ The index must contain at least one field mapped as {ref}/geo-point.html[geo_poi
*EMS Boundaries*:: Administrative boundaries from https://www.elastic.co/elastic-maps-service[Elastic Maps Service].
*Point to point*:: Aggregated data paths between the source and destination.
The index must contain at least 2 fields mapped as {ref}/geo-point.html[geo_point], source and destination.
include::vector-style.asciidoc[]
include::vector-style-properties.asciidoc[]